diff --git a/lib/interfaces/postgres-options.interface.ts b/lib/interfaces/postgres-options.interface.ts
index 59f24e1..bf40438 100644
--- a/lib/interfaces/postgres-options.interface.ts
+++ b/lib/interfaces/postgres-options.interface.ts
@@ -8,7 +8,7 @@ export interface PostgresModuleOptions {
   password?: string;
   user?: string;
   port?: number;
-  ssl?: boolean;
+  ssl?: boolean | PostgresSSLOptions;
   connectionString?: string;
   retryAttempts?: number;
   retryDelay?: number;
@@ -20,3 +20,10 @@ export interface PostgresModuleOptions {
   connectionTimeoutMillis?: number;
   idleInTransactionSessionTimeout?: number;
 }
+
+interface PostgresSSLOptions {
+  rejectUnauthorized?: boolean;
+  ca?: string;
+  key?: string;
+  cert?: string;
+}